diff --git a/api/src/opentrons/drivers/absorbance_reader/hid_protocol.py b/api/src/opentrons/drivers/absorbance_reader/hid_protocol.py
index 87d453c7631d..6ddd82aa030d 100644
--- a/api/src/opentrons/drivers/absorbance_reader/hid_protocol.py
+++ b/api/src/opentrons/drivers/absorbance_reader/hid_protocol.py
@@ -7,7 +7,6 @@
     ClassVar,
     runtime_checkable,
     TypeVar,
-    Literal,
 )
 
 Response = TypeVar("Response")
diff --git a/api/src/opentrons/protocol_api/core/module.py b/api/src/opentrons/protocol_api/core/module.py
index 46f4613c235d..004bd5c85b61 100644
--- a/api/src/opentrons/protocol_api/core/module.py
+++ b/api/src/opentrons/protocol_api/core/module.py
@@ -7,7 +7,6 @@
 from opentrons.drivers.types import (
     HeaterShakerLabwareLatchStatus,
     ThermocyclerLidStatus,
-    AbsorbanceReaderLidStatus,
 )
 from opentrons.hardware_control.modules.types import (
     ModuleModel,
diff --git a/api/src/opentrons/protocol_engine/commands/absorbance_reader/initialize.py b/api/src/opentrons/protocol_engine/commands/absorbance_reader/initialize.py
index 873156f5c3b8..7ac6e4a861c8 100644
--- a/api/src/opentrons/protocol_engine/commands/absorbance_reader/initialize.py
+++ b/api/src/opentrons/protocol_engine/commands/absorbance_reader/initialize.py
@@ -1,7 +1,7 @@
 """Command models to initialize an Absorbance Reader."""
 from __future__ import annotations
-from typing import List, Optional, TYPE_CHECKING
-from typing_extensions import Literal, Type
+from typing import Optional, Literal, TYPE_CHECKING
+from typing_extensions import Type
 
 from pydantic import BaseModel, Field
 
diff --git a/api/src/opentrons/protocol_engine/state/modules.py b/api/src/opentrons/protocol_engine/state/modules.py
index 459d66c9f776..052d69876735 100644
--- a/api/src/opentrons/protocol_engine/state/modules.py
+++ b/api/src/opentrons/protocol_engine/state/modules.py
@@ -1210,7 +1210,7 @@ def ensure_and_convert_module_fixture_location(
         elif model == ModuleModel.THERMOCYCLER_MODULE_V2:
             return "thermocyclerModuleV2"
         elif model == ModuleModel.ABSORBANCE_READER_V1:
-            valid_slots = "D3"
+            valid_slots = ["A3", "B3", "C3", "D3"]
             return "absorbanceReaderV1D3"
         else:
             raise ValueError(